<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="100px">
      <!-- <el-form-item label="班级id" prop="id" >
        <el-input
          v-model="queryParams.studentName"
          placeholder="请输入班级id"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item> -->
      <el-form-item label="班级名称" prop="className">
        <el-input
          v-model="queryParams.className"
          placeholder="请输入班级名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="班级负责人" prop="principal">
        <el-input
          v-model="queryParams.principal"
          placeholder="请输入班级负责人"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:classinfo:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:classinfo:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:classinfo:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
		  :loading="exportLoading"
          @click="handleExport"
          v-hasPermi="['system:classinfo:export']"
        >导出</el-button>
    </el-col> 
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <!-- 新增入学码功能组件 -->
    <addCode :type="buttontype.addCode" :fun="showbtn" tname="addCode" :tablerow="tablerow" :classid="classid" ></addCode>

    <el-table v-loading="loading" :data="classmgrList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <!-- <el-table-column label="班级id" align="center" prop="id" /> -->
      <el-table-column label="班级名称" align="center" prop="className" />
      <!-- <el-table-column label="班级负责人" align="center" prop="principal" />
      <el-table-column label="班级类型" align="center" prop="classType" /> -->
      <el-table-column label="班级描述" align="center" prop="classDesc" />
      <el-table-column label="班级图片地址" align="center" prop="classImgLink"  />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:classinfo:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:classinfo:remove']"
          >删除</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-goods"
            @click="goList(scope.row)"
            v-hasPermi="['system:protocol:query']"
          >班级协议详情</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-plus"
            @click="addCode(scope.row)"
            v-hasPermi="['system:code:add']"
          >生成入学码</el-button>
        </template>
      </el-table-column>
    </el-table>
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />


    <!-- 添加或修改优秀学员对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="600px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-form-item label="班级名称" prop="className">
          <el-input v-model="form.className" placeholder="请输入班级名称" />
        </el-form-item>
        <!-- <el-form-item label="班级负责人" prop="principal">
          <el-input v-model="form.principal" placeholder="请输入班级负责人" />
        </el-form-item>
        <el-form-item label="班级类型" prop="classType">
          <el-input v-model="form.classType" placeholder="请输入班级类型" />
        </el-form-item> -->
        <el-row>
           <el-col :span="24">
            <el-form-item label="班级描述" prop="classDesc">
                <editor v-model="form.classDesc" :min-height="192"/>
            </el-form-item>
          </el-col>
        </el-row>
        <el-form-item label="图片链接" prop="imgUrl" >
            <el-input v-model="form.classImgLink" placeholder="请输入图片链接" />
            <el-upload
                class="upload-demo"
                ref="upload"
                action="#"
                :http-request="requestUpload" 
                :on-preview="handlePreview"
                :on-remove="handleRemove"
                :file-list="fileList"
                :show-file-list="true" 
                :auto-upload="true"
                :before-upload="beforeUpload">
                <el-button slot="trigger" size="small" type="primary" >选取文件</el-button>
                <el-button style="margin-left: 10px;" size="small" type="success" @click="submitUpload">上传到服务器</el-button>
                <div slot="tip" class="el-upload__tip">只能上传jpg/png文件，且不超过500kb</div>
            </el-upload>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listClassmgr, getClassmgr, delClassmgr, addClassmgr, updateClassmgr, exportClassmgr } from "@/api/system/classmgr";
import AddCode from "./AddCode.vue";
import { upload } from "@/api/system/common";


export default {
  name: "Classmgr",
  data() {
    return {
      //上传的图片的信息
      files:'',
      fileList:[],
      //班级id
      classid:'',
      //班级图片
      imageUrl:'',
      // 当前选中的用户
      tablerow: '',
      //新增入学码模态框状态
      buttontype: {
        addCode:false,
      },
      // 遮罩层
      loading: true,
      // 导出遮罩层
      exportLoading: false,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 班级管理表格数据
      classmgrList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        id: null,//班级id
        className:null,//班级名称
        principal:null,//班级负责人
        classType:null,//班级类型
        classDesc: null,//班级描述
        classImgLink:null,//班级图片地址
        classLike:null,//班级链接
        startDate:null,//开始日期
        endDate:null,//结束日期
        updateDate:null,//更新时间
        createDate:null,//创建时间
        isDelete: null//是否删除
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
  },
   components:{
      AddCode,
   },
  methods: {
    // 上传预处理
    beforeUpload(file) {
       this.files = file;
      if (file.type.indexOf("image/") == -1) {
        this.msgError("文件格式错误，请上传图片类型,如：JPG，PNG后缀的文件。");
      } else {
        const reader = new FileReader();
        reader.readAsDataURL(file);
        reader.onload = () => {
        };
      }
    },
    submitUpload() {  
      let file = this.files;   
      let formdata = new FormData();
      formdata.append('avatarfile', file);
      formdata.append("fileType", 0);
      upload(formdata).then(response => {
      this.open = true;       
      this.msgSuccess("上传成功");
      this.visible = false;
    //   console.log(response.fileName)
      this.imgurl = process.env.VUE_APP_BASE_API +  response.fileName
      this.form.classImgLink = this.imgurl
    });
    },
    handleRemove(file, fileList) {
    //   console.log(file, fileList);
    },
    handlePreview(file) {
    //   console.log(file);
    },
    // 覆盖默认的上传行为
    requestUpload() {
    },
    //班级管理详情
    goList(row){
        this.reset();
        const id = row.id || this.ids
        getClassmgr(id).then(response => {
            this.form = response.data;
            this.$router.push({
                path: '/Classfile?classid='+this.form.id,      
        })
      });
    },
    /* 新增入学码 */
    addCode(row){
        this.reset();
        const id = row.id || this.ids
        this.classid = id
        this.buttontype.addCode = true
     },
     // 当前选中的用户
    celltable (row) {
      this.tablerow = row
    },
    // 关闭模态框的状态
    showbtn (type) {
      this.buttontype[type] = false
    },
    /** 查询优秀学员列表 */
    getList() {
      this.loading = true;
      listClassmgr(this.queryParams).then(response => {
        this.classmgrList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,//班级id
        className:null,//班级名称
        principal:null,//班级负责人
        classType:null,//班级类型
        classDesc: null,//班级描述
        classImgLink:null,//班级图片地址
        classLike:null,//班级链接
        startDate:null,//开始日期
        endDate:null,//结束日期
        updateBt:null,//更新时间
        createDate:null,//创建时间
        isDelete: null//是否删除
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加班级";
    },
    
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getClassmgr(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改班级";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateClassmgr(this.form).then(response => {
              this.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addClassmgr(this.form).then(response => {
              this.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      const className = row.className || this.className
      this.$confirm('是否确认删除班级名称为"' + className + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delClassmgr(ids);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm('是否确认导出所有班级数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(() => {
          this.exportLoading = true;
          return exportClassmgr(queryParams);
        }).then(response => {
          this.download(response.msg);
          this.exportLoading = false;
        }).catch(() => {});
    }
  }
};
</script>

